<template>
  <div class="p-2">
    <transition :enter-active-class="proxy?.animate.searchAnimate.enter" :leave-active-class="proxy?.animate.searchAnimate.leave">
      <div v-show="showSearch" class="search">
        <el-form ref="queryFormRef" :model="queryParams" :inline="true" label-width="68px">
          <el-form-item label="规格名称" prop="name">
            <el-input v-model="queryParams.name" placeholder="请输入规格名称" clearable style="width: 240px" @keyup.enter="handleQuery" />
          </el-form-item>
          <el-form-item label="分类名称" prop="cateId">
            <el-tree-select
              v-model="queryParams.cateId"
              style="width: 100%"
              :data="goodsCategoryOptions"
              filterable
              :render-after-expand="false"
              :props="{ children: 'children', label: 'name', value: 'id' }"
            />
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
            <el-button icon="Refresh" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </transition>

    <el-card shadow="never">
      <template #header>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button v-hasPermi="['mall:goodsSpec:add']" type="primary" plain icon="Plus" @click="handleAdd">新增 </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button v-hasPermi="['mall:goodsSpec:remove']" type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete()"
              >删除
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button v-hasPermi="['mall:goodsSpec:export']" type="warning" plain icon="Download" @click="handleExport">导出 </el-button>
          </el-col>
          <right-toolbar v-model:showSearch="showSearch" @query-table="getList"></right-toolbar>
        </el-row>
      </template>

      <el-table v-loading="loading" :data="goodsSpecList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="商品分类" align="center" prop="cateName" />
        <el-table-column label="规格名称" align="center" prop="name" />
        <el-table-column v-slot="{ row }" label="规格值" min-width="400">
          <el-tag v-for="(item, index) in row.specValues" :key="index" style="margin-left: 3px" class="div-atrr">
            {{ item.name as string }}
          </el-tag>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-tooltip content="修改" placement="top">
              <el-button v-hasPermi="['mall:goodsSpec:edit']" link type="primary" icon="Edit" @click="handleUpdate(scope.row)"></el-button>
            </el-tooltip>
            <el-tooltip content="删除" placement="top">
              <el-button v-hasPermi="['mall:goodsSpec:remove']" link type="primary" icon="Delete" @click="handleDelete(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <pagination v-show="total > 0" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize" :total="total" @pagination="getList" />
    </el-card>
    <!-- 添加或修改商品规格对话框 -->
    <el-dialog v-model="dialog.visible" :title="dialog.title" width="500px" append-to-body>
      <el-form ref="goodsSpecFormRef" :model="form" :rules="rules" label-width="80px">
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item label="分类id" prop="classId">
              <el-tree-select
                v-model="form.cateId"
                style="width: 100%"
                :data="goodsCategoryOptions"
                filterable
                :render-after-expand="false"
                :props="{ children: 'children', label: 'name', value: 'id' }"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="规格名称" prop="name">
              <el-input v-model="form.name" placeholder="请输入规格名称" />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item>
              <el-button size="default" type="success" @click="addRow"> 添加新规格</el-button>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-table :data="form.specValues" border>
              <el-table-column v-slot="scope" label="属性名称" width="300">
                <el-input v-model="scope.row.name" />
              </el-table-column>
              <el-table-column v-slot="{ row, $index }" label="操作">
                <el-button link type="primary" icon="Delete" @click="handleDelAttr(row, $index)"></el-button>
              </el-table-column>
            </el-table>
          </el-col>
        </el-row>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="GoodsSpec" lang="ts">
import { listGoodsSpec, getGoodsSpec, delGoodsSpec, addGoodsSpec, updateGoodsSpec, delGoodsSpecVal } from '@/api/mall/goodsSpec';
import { GoodsSpecVO, GoodsSpecQuery, GoodsSpecForm } from '@/api/mall/goodsSpec/types';
import { listGoodsCategory } from '@/api/mall/goodsCategory';

type GoodsCategoryOption = {
  id: number;
  name: string;
  children?: GoodsCategoryOption[];
};
const { proxy } = getCurrentInstance() as ComponentInternalInstance;

const goodsSpecList = ref<GoodsSpecVO[]>([]);
const buttonLoading = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref<Array<string | number>>([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const queryFormRef = ref<ElFormInstance>();
const goodsSpecFormRef = ref<ElFormInstance>();

const dialog = reactive<DialogOption>({
  visible: false,
  title: ''
});

const initFormData: GoodsSpecForm = {
  id: undefined,
  cateId: undefined,
  name: undefined,
  specValues: []
};
const data = reactive<any>({
  form: { ...initFormData },
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: undefined,
    cateId: undefined,
    params: {}
  },
  rules: {
    id: [{ required: true, message: 'id不能为空', trigger: 'blur' }],
    name: [{ required: true, message: '规格名称不能为空', trigger: 'blur' }]
  }
});
const { queryParams, form, rules } = toRefs(data);
/*获取分类列表*/
const goodsCategoryOptions = ref<GoodsCategoryOption[]>([]);
const getCategoryData = async () => {
  let res = await listGoodsCategory();
  goodsCategoryOptions.value = res.data;
};

/*添加属性值行*/
const addRow = () => {
  form.value.specValues.push({});
};
/*删除属性值*/
const handleDelAttr = async (row: any, $index: number) => {
  console.log(row);
  console.log($index);
  //已存入数据则提交数据库删除
  if (row.id) {
    let res = await delGoodsSpecVal(row.id);
    if (res.code === 200) {
      form.value.specValues.splice($index, 1);
    }
  } else {
    //未存入数据直接删除
    form.value.specValues.splice($index, 1);
  }
};

/** 查询商品规格列表 */
const getList = async () => {
  loading.value = true;
  const res: any = await listGoodsSpec(queryParams.value);
  console.log(res);
  goodsSpecList.value = res.rows;
  total.value = res.total;
  loading.value = false;
};

/** 取消按钮 */
const cancel = () => {
  reset();
  dialog.visible = false;
};

/** 表单重置 */
const reset = () => {
  form.value = { ...initFormData };
  goodsSpecFormRef.value?.resetFields();
};

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.value.pageNum = 1;
  getList();
};

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value?.resetFields();
  handleQuery();
};

/** 多选框选中数据 */
const handleSelectionChange = (selection: GoodsSpecVO[]) => {
  ids.value = selection.map((item) => item.id);
  console.log(ids.value);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
};

/** 新增按钮操作 */
const handleAdd = () => {
  reset();
  dialog.visible = true;
  dialog.title = '添加商品规格';
};

/** 修改按钮操作 */
//TODO 这个功能还没对，增加和修改前端要重新写传值方法
const handleUpdate = async (row: GoodsSpecVO) => {
  reset();
  const res: any = await getGoodsSpec(row.id);
  console.log(res);
  form.value = res.data;
  dialog.visible = true;
  dialog.title = '修改商品规格';
};
/** 提交按钮 */
const submitForm = () => {
  goodsSpecFormRef.value?.validate(async (valid: boolean) => {
    console.log(form.value);
    if (valid) {
      buttonLoading.value = true;
      if (form.value.id) {
        await updateGoodsSpec(form.value);
      } else {
        await addGoodsSpec(form.value);
      }
      proxy?.$modal.msgSuccess('修改成功');
      buttonLoading.value = false;
      dialog.visible = false;
      await getList();
    }
  });
};

/** 删除按钮操作 */
const handleDelete = async (row?: GoodsSpecVO) => {
  const _ids = row?.id || ids.value;
  await proxy?.$modal.confirm('是否确认删除商品规格编号为"' + _ids + '"的数据项？').finally(() => (loading.value = false));
  await delGoodsSpec(row.id);
  proxy?.$modal.msgSuccess('删除成功');
  await getList();
};

/** 导出按钮操作 */
const handleExport = () => {
  proxy?.download(
    'mall/goodsSpec/export',
    {
      ...queryParams.value
    },
    `goodsSpec_${new Date().getTime()}.xlsx`
  );
};

onMounted(() => {
  getList();
  getCategoryData();
});
</script>
<style scoped lang="scss"></style>
